Why we do not have the DRAM energy consumption powercap RAPL file intel-rapl:0/intel-rapl:0:2/energy_uj on machines with Intel Core I9 processor

Question

I have one Acer Aspire 5 Laptop with Intel core I3 processor running Linux. The powercap interface on that machine exposes the file /sys/class/powercap/intel-rapl/intel-rapl